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Abstract Summary: The software program TreeSAAP measures the selective influences on 31 structural and biochemical amino acid properties during cladogenesis, and performs goodness-of-fit and categorical statistical tests. Availability: The TreeSAAP package (executables for Windows PC or Macintosh OSX, Java source code, documentation, and instruction manual) is available at http: //genome. cs. byu. edu/treesaap. htm. UNIX version is available upon request. Contact: DavidMcClellan@byu. edu * To whom correspondence should be addressed.
Woolley et al. (Fri,) studied this question.